export default function() {
		const x = ref(-1)
    const y = ref(-1)

    // 点击事件的回调函数
    // 页面加载完毕的生命周期组合API
    const clickHandler = (event: any) => {
      x.value = event.pageX
      y.value = event.pageY
    }

    onMounted(() => {
      window.addEventListener('click', clickHandler)
    })

    // 页面卸载之前的生命周期组合API
    onBeforeUnmount(() => {
      window.removeEventListener('click', clickHandler)
    })
}